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Opioids Methadone Physical Addiction

Methadone works differently for different people. I can't hold on to one dose a day. So really taking it every 3rd or 4th day is either because he takes a dose after which he's totally wasted for one day or methadone really holds him for like 2 days and then he doesn't feel withdrawal yet.

Anyway, to answer your main question - eventually he's going to need more methadone every 3rd or 4th day or he's going to need methadone more often than now. I bet he's already addicted if it was a jump from oxycodone to methadone. And one more thing - methadone generally has a long half-life and works longer as an analgesic but his euphoric effects last a lot shorter, like 7-8 hours.

I myself prefer methadone to oxycodone if I were to choose one from these two although oxycodone resembles my favorite morphine more with its structure, it's different, not my kind of an opioid.

ramsay st rider said:
there is NOTHING fun about methadone maintenance, cane2theleft seriously people on mmt are not exaggerating when they say there is NO high. Maybe some people who raise their dose as fast as possible when they first start may get a high, unfortunately not me.

The point of maintenance programs is not to get high. Even junkies with cosmic tolerance can get high off methadone, it's just that they're not given such doses a day and stashing is impossible without feeling uncomfortable.
 
Methadone has a 36 hour half-life so that the average person needs to space individual dosages at least 72 hours apart, however, should a user come out on the longer than average side of that 36 hour median, he or she will get into a bit of a jam. Methadone, if used regularly, produces a bio-resevoir so that it distributes the substance piecemeal (like a timerelease tablet). Ergo, that space between dosages ends up negated and the user gets a full blown physical addiction.

While Withdrawal IS a lot longer than most opiates/opioids, it is also a lot milder than morphine and heroin (which is a lot shorter) so that it is a tradeoff. Addicts swear up and down its the worst to Withdraw from but that is from the osychological perspective (and it is VERY difficult for most mentally). The physical symptoms are very mild all things comdidered. My last cold turkey, off of 220mgs taken daily over a 22 year period lasted 8 days (though it varies obviously, by a couple of days).

I have to add that really is a terrible substance recreationally. Physically it cannot euphoria (this usually creates a tonne of posters arguing they gain euphoria but most don't realise that euphoria is a quantifiable value physically and that the chemical composition of methadone bars it). It will sometimes cause a "nod" but usually puts users to sleep if they don't remain active, so if sleep is the goal...but there is another reason why it is a terrible substance recreationally; A user doses say at 8AM. By 6PM the psychoactivity is totally gone and a recreational user will want to re-dose. However the half-life is 36 hours so that overdose can take place quite easily. If one uses an additional substance the danger greatly increases.


I'm sorry but the part where you said you came off 220mg's of Methadone each day for 22 years cold turkey and it only lasting 8 days or so of mild withdrawal is in-correct.

I wouldn't advise anyone to do that.
 
My last cold turkey, off of 220mgs taken daily over a 22 year period lasted 8 days (though it varies obviously, by a couple of days).

This information is totally incorrect! After 8 days a person using methadone at such a dose for a longer period of time JUST enters withdrawal. No matter what you've been through, no matter how much you've taken and no mater how much - this is impossible.

Methadone has a 36 hour half-life so that the average person needs to space individual dosages at least 72 hours apart, however, should a user come out on the longer than average side of that 36 hour median, he or she will get into a bit of a jam.

Wikipedia is not a good source of information, at least not an ultimate one. Average half-life doesn't equal actual half-life, that's a fully personal thing. Methadone is good for maintenance for two main reasons: 1) it has a long half-life (but time of effective analgesia >> time of high), 2) it's soluble in fat so it's distributed through body. These make it stay in body for a longer period of time compared to morphine and similar drugs. However, a lot of people can't hold on to methadone even for 24 hours and they need split-dosing.

While Withdrawal IS a lot longer than most opiates/opioids, it is also a lot milder than morphine and heroin (which is a lot shorter) so that it is a tradeoff.

Most of withdrawal is psychological so how is it A LOT milder when it's a lot longer? It's milder because it doesn't hit you all at once and it's spaced out in time, you gradually go up and you gradually go down. I'd trade methadone w/d anytime for morphine/heroin w/d because with morphine/heroin you're actually at least capable of estimating the time of withdrawal.

I have to add that really is a terrible substance recreationally. Physically it cannot euphoria (this usually creates a tonne of posters arguing they gain euphoria but most don't realise that euphoria is a quantifiable value physically and that the chemical composition of methadone bars it). It will sometimes cause a "nod" but usually puts users to sleep if they don't remain active, so if sleep is the goal...but there is another reason why it is a terrible substance recreationally; A user doses say at 8AM. By 6PM the psychoactivity is totally gone and a recreational user will want to re-dose. However the half-life is 36 hours so that overdose can take place quite easily. If one uses an additional substance the danger greatly increases.

Methadone has a different profile of action than morphine and similar drugs so it's more sedative. However, your statement that it cannot "euphoria" is wrong. Look up the word.

TheFreeDictionary said:
euphoria [juːˈfɔːrɪə]
n
a feeling of great elation, esp when exaggerated
[from Greek: good ability to endure, from eu- + pherein to bear]
euphoric [juːˈfɒrɪk] adj

Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003

TheFreeDicitonary said:
euphoria, euphory
1. a state of happiness and well-being.
2. Psychiatry. an exaggerated state of happiness, with no foundation in truth or reality. — euphoric, adj.

Methadone sure can cause "a feeling of great elation" or "a state of happiness and well-being", or "an exaggerated state of happiness, with no foundation in truth or reality". Therefore stating that methadone cannot "euphoria" is incorrect. These entries perfectly describe my feelings after taking more methadone than I need to survive a day.

Your post really looks like a cluster of information from some on-line wikipedia-like thing smartly put into text.
 
Listen, your opinion might mean a whole lot to you but it doesn't change an iota of the info I provided, neither does your "definition" of "euphoria." If you notice, I predicted your response. I am glad YOU enjoy the substance but if you hope to make a point do it with factual information.

As far as you and the other poster who don't believe I went cold turkey off of 220, that is just funny. Talk to a pharmacologist. The substance takes longer than most opiates/opioids to evacuate tour system but the physical withdrawal symptoms are very mild in comparison to morphine (all of which I stated in my post).

Most issues within addiction are psychological. If you work yourself into a frenzy imagining that your symptoms will be severe, guess what, they will be. Unfortunately BL Journals have been removed from the site because I actually chronicled my withdrawal every 4 hours (with a couple of exceptions while sleeping). The worst physical symptom was 5 hours of so called "shaky leg syndrome." Other than that it was localised back pain for a couple of days, and hot and cold flashing and sweating. Other than minimal water I had no caloric intake after day 3 and until day 6,so bowl movements were not an issue.

"At 8 days a person is just entering withdrawal...": Do you even know what "half life" means? How does a substance with a 36 hour half life cause withdrawal weeks long? You are flailing.

Also, Adder or whatever you call yourself, that little nonsense at the end of your last post about Wiki? The best indicator of a poseur is someone who cannot discuss an issue without resorting to ad hominems. So predictable, so sad.

(Edited for spelling and to add the 2nd to last paragraph)
 
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Basically, I have one huge question. Apparently I wrote in another thread that was "Dead". I was actually just looking for a Methadone thread.

What ARE the GOOD effects actually, and uses, of Methadone, if, you are trying to quit a Vicodin addiction??

Is it a good idea??

I DO want to Detox altogether. But my living arrangements do not allow me to go into a Detox clinic for say, 30 days. I have a household to run here.

I wish to God, I would have NEVER picked up the Vic addiction in the very 1st place.

It started because I totally blew out my back. Got them for a while, and found myself in the midst of an addiction.

I already do not like this Methadone. I took them about 4 hours ago. I consider myself a normal person, who LOVES my sleep, and loves to eat. I actually lead a very normal life.

Thank you ahead of time for any help.

Work comes in the morning, and I REALLY hope I can fall asleep!! Wish me luck!!
 
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(...)What ARE the GOOD effects actually, and uses, of Methadone, if, you are trying to quit a Vicodin addiction??

Is it a good idea??

I DO want to Detox altogether. But my living arrangements do not allow me to go into a Detox clinic for say, 30 days. I have a household to run here. (...)

How long have you been taking Vicodin and how much? Hydrocodone isn't such a strong compound to turn to methadone right off. But more information is needed to answer this question fully. I don't know if getting on a program where you live is equal to entering some quack's room. But firstly, you might not need a program at all and that's for your own good, methadone is stronger than hydrocodone (not only mg to mg). Also, detox isn't the only way out of this. I don't know how much you take, is it that much you do CWE etc. Anyhow you could taper it down without changing an opioid by taking less and less tablets.

My arrangements do not allow me for e.g. two weeks in hospital to get on program too as I study and I'm just before semester exams. But I'd figure out something to do it if I had to (or rather if I could get on the program here). Life is a compromise.


Listen, your opinion might mean a whole lot to you but it doesn't
change an iota of the info I provided, neither does your "definition" of "euphoria."

It's not my definition of euphoria, I quoted the dictionary.

"At 8 days a person is just entering withdrawal...": Do you even know what "half life" means? How does a substance with a 36 hour half life cause withdrawal weeks long? You are flailing.

I experienced methadone withdrawal and it was neither the first nor the tenth withdrawal in my life so I pretty much know how methadone withdrawal looks like and again - 36 hours isn't a half-life of methadone that some God put into some book you've read or whatever, it MAY BE a mean half-life, for some it may be 100 hours, for some it may 12 hours. Would I need methadone twice a day if it had a half-life of 36 hours for me? I don't think so although half-life isn't the only thing that determines overall compound's time of action.

Also, Adder or whatever you call yourself, that little nonsense at the end of your last post about Wiki? The best indicator of a poseur is someone who cannot discuss an issue without resorting to ad hominems. So predictable, so sad.

Wikipedia or any clone of it, that's what I meant if you didn't get it, I'm clarifying. I don't buy information from sites that don't give scietific source. And the proof I didn't refer to Wikipedia as http://en.wikipedia.org is the English article about methadone where half-life is described "(...) typical elimination half-life of 15 to 60 hours with a mean of around 22. However, metabolism rates vary greatly between individuals, up to a factor of 100,[8][9] (...)". The other range is in the table on the right - "24-36 h". However, as you can see in the first quotation, there are some sources and wow, these are some scientific articles. Wikipedia used to be critised for giving no sources, now it's been changing for quite a lot of time so I used "wikipedia" word as a symbol rather than a specific site.

So predictable and so sad is that most people in the internet will judge you by one sentence you write. I put my opinion on the issue and you've already thought I'd attacked you. Well, if I attack instead of giving any evidence, then where is your evidence? Words? So we're square.
 
The bottom line is that most all MMT patients will suffer significant WD's when quitting. The higher your dose [jumping off] and the duration of your maintenance will be correlated with the intensity of the WD's. Both acute and Paws. Thats pretty much accepted by anyone who knows anything about MMT.
 
Subdude: Most people will also tell you methadone eats their bones. This is why scientific facts matter and subjective reasoning does not. I am a 44 year old man, and was 41 on my last "cold turkey." I have pretty much been maintained since the age of 17. My dose since age 19 had been 220 taken every 24 hours. Most of any opiate/opioid withdrawal is psychological. If you talk to addiction specialists almost all will say the same thing I am saying, methadone is a very mild physical withdrawal in comparison to morphine and heroin.

Adder: Anyone quoting Wiki is a fool to begin with, so keep spinning those wheels. If I even cared I would log in there just to re-edit everything you quoted to show you how foolish you are acting. Like I said, provide an actual reference and I will be glad to look at it.
 
^you're making a specious distinction.

Claiming that most of the misery people experience is psychogenic doesn't mean they don't experience misery.

On a less relevant note... would you call someone a fool for referencing information found in Encyclopedia Britannica? One of the most respected, prestigious Journals, Nature, found wikipedia to be as accurate as Encyclopedia Britannica. We're not writing academic literature here... as far as the hierarchy of credibility, I'll take wikipedia citations over some junkie claiming something based on their experience for example.

Why don't you see the relevant citations on the what he's referencing and evaluate their validity and veracity rather then making a logically fallacious argument about the source? Or just go in and edit it and see how long your bullshit stays on before the inaccuracies are removed.
 
Methadone has a 36 hour half-life so that the average person needs to space individual dosages at least 72 hours apart.

Thats not how half-lifes work
you start with 100%
after 36 hours you have 50%
after 72 hours you have 25%
after 108 hours you have 12.5%
etc. etc.
 
rachamim said:
If you talk to addiction specialists almost all will say the same thing I am saying, methadone is a very mild physical withdrawal in comparison to morphine and heroin.

Opioid withdrawal isn't fully psychological, if it were, morphine-like dependence wouldn't be called psychophysical in contrast to e.g. amphetamine dependence. The fact that one experiences negative physical effects from abrupt discontinuation of opioid agonist intake proves opioid addiction is psychophysical addiction. Mind plays a big role because it's "attacked" during withdrawal as well, if you feel blissful and sedated in your mind when you take opioid X, expect the opposite during withdrawal. Positive attitude may certainly lessen subjective perception of physical pain but it won't cancel out everything.

This was backed up by hundreds of scientific researches long before you were born. Plain neuroscience and not some therapy bullshit. Methadone has a lower rate of addiction in contrast to heroin or morphine because of the profile of its action, nonetheless it's a mu-opioid receptor agonist and that is enough to cause physical addiction with prolonged usage and that is enough to bring positive feelings after intake of it (if you don't like the word "euphoria").

I'm not replying to the rest of your post because it's aimed at starting an argument and I don't really want any personal discussion with you after earlier messages. You keep spinning those wheels of yours...
 
Subdude: Most people will also tell you methadone eats their bones. This is why scientific facts matter and subjective reasoning does not. I am a 44 year old man, and was 41 on my last "cold turkey." I have pretty much been maintained since the age of 17. My dose since age 19 had been 220 taken every 24 hours. Most of any opiate/opioid withdrawal is psychological. If you talk to addiction specialists almost all will say the same thing I am saying, methadone is a very mild physical withdrawal in comparison to morphine and heroin.

I don't know anyone who has been on MMT for awhile who believes the bone myth. What scientific facts are you referring too regarding WD"s

Not disputing your experience or what addiction specialists claim... Mine has been different than yours including the insomnia, RLS, and muscle pains... not to mention the other milder symptoms like stomach cramps, diarhea, headaches, sneezing...etc which ARE tolerable. The physical part adds to the psychological aspect... and vice versa. Together they become a "syndrome" and extremely difficult [for me and others] to experience. I believe duration and age adds to the intensity. When I was younger, I could handle it better. But now, if I go a couple of days w/o sleep [along with all the other discomfort] I get mild hallucinations and become a bit delusional. RLS drives me up the wall. BTW... I'm 58 and first experienced MMT in 1971. Off and on ever since.

I think you have a strong resolve and are mentally tough which helped you tremendously with your WD's. However, I must say that as far as experiencing mild methadone wd's, I believe you're more the exception... rather than the rule. Dropping off 220mg of methadone without a taper and no meds... and having only mild WD's is miraculous... IMO.
 
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I could bear methadone withdrawal for 4 days. On day 4 I experienced characteristic effects of opioid withdrawal like restless legs, boneache, headache, sweating, flu-like symptoms, cold and hot flashes, I didn't have diarrhea but I experienced pain in my intestines so it was on its way. The effects were milder on day 4 than effects of morphine/heroin withdrawal are on day 1 but I guess the fact that it escalates so slowly adds to anxiety connected with withdrawal. Because you start thinking if it's not fully blown on day 4, then when does it end or at least peak.

I mostly spent those 4 days in bed, Friday, Saturday, Sunday, Monday - a work day so I skipped school and I couldn't imagine lying in bed for a month. I had been through heroin and morphine withdrawals without any medications earlier (beside benzodiazepines but I was already addicted to them at that time so they didn't really do a thing for me) and I'd pick a week off life with terrible morphine/heroin withdrawal than this. Because it immobilized totally though it wasn't a nightmare because of effects. It's a nightmare because of how long it lasts.

I know I was always weaker during withdrawal than a regular junkie with the same time on opioids. I didn't start taking opioids out of curiosity and I started when I was too young, also I was aware I wasn't the person to take highly addicting drugs responsibly. It started out with plain codeine in pills, then I jumped on morphine, after injecting into my veins a hell lot of semi-synthetic and fully synthetic opioids in 2008 and 2009, I stopped at morphine and levorphanol - a great combination, cross-tolerance between those two isn't full so I could keep my tolerance going up slower. Finally, I had enough of it. I tried with buprenorphine, I tried with 17-18-didehydrobuprenorphine, it didn't work out. It was pointless to sink more money in something that didn't work. So here came methadone again as my savior just like many times in my life. I can't count how many times I landed on methadone when I went too far with opioids and I can't count how many times I tried to taper down myself with methadone. My routine schedule was a month, I never could taper down faster. Maybe I'm oversensitive compared to an average addict. Well, people are different.

220mg a day is a very high dose of methadone (low dose MMT is considered x<40mg, medium dose is 40mg < x < 80mg, anything >80mg is already considered high dose methadone). So it's really hard to believe someone could go through withdrawal after abrupt discontinuation after over 20 years on such a big dose. I've seen doses like 200mg a day but they were split-doses so a guy had 1400mg every week but he had to go for his methadone every 3 or 4 days (if he had to go on Sunday when points of maintenance program are shut). The highest dose given once a day I've seen was 150mg and that guy didn't even make it out of hospital because he was tested for benzodiazepines and he had taken clonazepam for a few days straight before. So they kicked him out as he violated rules of the hospital ward. Sure it also depends on your weight how much methadone will hold you. I'm underweight so I don't really need a lot compared to 220mg, besides I need split-dosing. However, I've seen so many cases when patients were given gigantic doses of methadone although they did fine on much lower doses, e.g. a patient did alright on 60mg, actually I observed he sometimes almost nodded out holding a cigarette that almost fell out of his hand. Yet he was pushed eventually to over 100mg. This is how wrong Polish programs work, there are cases of corruption (not only money), doctors aren't well trained in what they're supposed to do.

When heroin was popular in the States in 70s, in Poland it was a complete niche because of the socialistic system, most of heroin was actually the infamous "Polish heroin" made by a specific way of extraction of alkaloids from poppy straw leaving many impurities in the final product even if it's carried out carefully.
 
GBM: "Half life.": Half-life denotes the amount of time needed (in average) to physically evacuate 50% of a consumed dosage. Substances evacuate at a steady rate, metabolic processes run according to a set speed (though physical activity, consumption of other substances, etc.can speed or slow it in a very minor way). A substance with a 36 hour half life evacuates in 72 hours.

Methadone however is almost unique because of the internal reservoir that is effectuated in the Optimum Dosge phase (usually it least 4 weeks of once daily dosing at consistent dosages). This acts as pseudo-time release so that evacuation (full) only kicks in 48 to 72 hours AFTER last ingestion. Half Life then takes place 36 hours AFTER it kicks in.

In Optimum Dosing a subject is "held" for 48 to 72 hours between dosages. They only dose daily to maintain the internal resevoir. Another example of subjective reasoning gone wrong is when people freak out over missing a single dosage, imagining withdrawal is initiating (it CAN happen if a person is under dosed which is actually a frequent situation since some places have legal thresholds prohibiting dosages above 100 mg. Ideally a person is adequately dosed to begin with).

Cane: Would I call someone foolish for using Brittanica as a primary sourcy? No, I would call them naïve and inexperienced in research. Brittanica usually uses public domain materiel for specialised subjects. When you are researching a scientific genre you want to use peer reviewed materiel.

"We are not writing scientific literature here.": Correct. We are offering Harm Reduction-related information. The purpose is to save lives and that requires an even higher threshold of accuracy.

"Why doesn't Rachamim examine Adder's secondary sources (the sources Wiki uses) and evaluate THEM?": If the claim is incorrect why would I need to follow the hyper-link? If he/she cares about the issue they can post that source primarily and I will be more than happy to point out why it is incorrect. Your mistake is that you believe "euphoria" is a totally subjective value devoid of physical parameters. It isn't and that is an actual fact.

"What scientific facts regarding methadone withdrawal is Rachamim talking about?": My posts in this thread have been very explicit. Re-read them at your leisure.

Adder: "Opiate/opioid addiction isn't entirely psychological.": I never said it was. In fact, since you are replying to my post where I stated, "the psychological aspect is always the most difficult" you are making no sense whatsoever. If the psychological aspect is the M0ST difficult it is only because it is NOT the only aspect. You then devote the rest of your post to this same non-sensical issue, regurgitating it over and over .

I am glad you do not wish to "argue." Arguing online makes no sense. However, you may want to review your posts in this thread to see just why you elicit this type of response.

Adder's Last Post: After all this you then state that the 4th day of methadone withdrawal, the day you say physical symptoms initiated was milder than day 1 on withdrawal from morphine. Glad that is finally settled.

Yes, anticipation can be bad. I laid on a bed waiting but on day 4, when mine began as well, I was happy to find it so gentle (in relative terms). On day 6 I skinned a cow and calf that died in birth, something I would have never been able to do 48 hours into morphine/heroin withdrawal.

On the subject of dosing. In New York City, and in Israel (2 of the 3 places I have maintained) there is no maximum dosage. Above 200, in NY, you have to take a Trough Assay. You get blood drawn, you dose, 4 hours later you have blood drawn once again. The 2 levels are compared for serum levels (level of methadone in the blood). If you are deficient in your level you are raised up to 40 mgs, then it repeats itself. The highest daily dosage I know of personally is a man more or less my age who receives 660 mg daily. His serum levels are deficient because he takes protease inhibitors (for HIV) which severely increases metabolism (in the relevant enzymatic pathways).

In Israel there is no level, though now it may have changed since Heroin Maintenance is in effect (they may switch to heroin at certain threshold dosages).

In Florida, the 3rd place I maintained, the state has a maximum threshold of 100 mgs. I was there in the mid-1990s and it may have changed since then. A programme limiting dosages to 100 mgs actually harms people.

Have to clarify, your statement that 40mg is the average maintenence dose is incorrect. It is actually 60 which is problematic since the average "Blocking Dose" is 70 mgs (though it doesn't block it offers the equivalent effect). Maybe you meant in Poland. In which case I have no idea.

"Polish Opiates." Yeah, having been to Rumania in he Soviet Era I am very familiar with Kompot (in Moldova, Rumania, etc its is called "Chernaya"). It is garbage. Throw GAA on straw and crudely reflux it. Worse than Tar. Luckily its almost extinct now that Poland is flooded with "Braun."

Subdude: If you research the issue (and I am referring to cursory research, simply use Google and only examine the scientific literature, not junkies reminiscing, etc.) You will see I am not the exception by any means.

In my own case, I have withdrawn a number of times. Laying on the urine covered floors of holding cells in Rikers Island I thought I would die. As I educated my self on the issues involved my perception changed. My last cold turkey was by neccessity since it took place in the Philippines, a country which was sued by WHO for refusing to use opiates/opioids even on cancer patients (the lucky ones got anti-psychotics, still do in most cases). To boot (no pun intended), aside from 500 junkies on just a single one of the nation's 7,107 islands who inject nabulphine (Nubain) there is no street scene. It is the only SE Asian nation without a heroin scene. In other words, I had no choice but to man up. Knowing it was a mind game was extremely valuable. The mind is the biggest obstacle.
 
Thats not how half-lifes work
you start with 100%
after 36 hours you have 50%
after 72 hours you have 25%
after 108 hours you have 12.5%
etc. etc.

This is correct, but only for the use of half-life in reference to radioactive decay, subject to first-order kinetics. This process in living organisms is much more complex and variable.

GBM: "Half life.": Half-life denotes the amount of time needed (in average) to physically evacuate 50% of a consumed dosage. Substances evacuate at a steady rate, metabolic processes run according to a set speed (though physical activity, consumption of other substances, etc.can speed or slow it in a very minor way). A substance with a 36 hour half life evacuates in 72 hours.

The medical term 'half-life' can describe the time it takes for the plasma concentration of a substance to halve, or the amount of time it takes for the physiological or other effects of the substance to halve, depending upon how the term is being used. Its important to note that these are two VERY different things.

Biologically speaking, it entirely possible (and even likely) for a substance with a 36 hour half-life to be detectable far beyond 72 hours. Metabolism, behavior, and other chemical processes in the body play a MAJOR part in determining how this happens. It is not nearly as steady and constant as you suggest.

Also, your post above would be a lot more readable if you would quote the specific statements that you're responding to. In case you don't know, you can click the
multiquote_off.gif
button on all the posts you want to respond to and then click
quote.gif
on the last one and it will neatly quote them all.
 
Dokomo: Thanks for the tip (I know you meant it in sincerity) but I paraphrase purposefully since English is not my first language, and to a lesser degree because it serves as a memory tool. On the language issue it allows posters to see how I understand their point. I think in in the 12 years I have been on BL I must have explained it a thousand times, literally. I should get smart and make it a tag.

Thank you for explaining isotopes to the poster who confused the issue of Half Life. In retrospect I should have taken the time to do it but bristle at definitive statements made arrogantly.

Now, for your point. In pharmacological kinetics half life is expressed in mean figures. 36 hours is the "average" figure. Yes, a person on certain medications (or with a mutated enzymatic pathway) could have an extended figure, but not by much. The variable is subject to definite physical rules. By the same token, to be clear, it COULD be merely 18 hours if the patient hasn't achieved Optimum Dosing, is on cettain medications (especially those taking protease inhibitors), or with multiple enzymes in the 450 pathway. When discussing physical withdrawal, offering advice based upon abberative factors is not only counter-intuitive it COULD adversely effect the decisons less informed people make. Half Life actually is A LOT more steadier than you imagine. Physical exertion is a variable measured in minutes, not hours. This is why medians are utilised (not simply to save time in expressing the figure).
 
I'm a recreational user of opiates and out all of the oc's,roxy's,opana methadone is my favorite the duration of the high and the euphoria is amazing.
 
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